Desk lamp



FIG. 1 is a perspective view of a desk lamp showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof.

FIG. 8 is another perspective view showing the desk lamp.

FIG. 9 is a cross-section view showing the desk lamp along line IX-IX in FIG. 4; and,

FIG. 10 is a perspective view showing the desk lamp in use.

The broken line environmental showing is for illustrative purpose only and forms no part of the claimed design. 

The ornamental design for a desk lamp, as shown and described. 